[1] Univ Calif Los Angeles, Sch Nursing, Los Angeles, CA 90024 USA
[2] Childrens Hosp Los Angeles, Ctr Canc & Blood Dis, Los Angeles, CA 90027 USA
[3] Cedars Sinai Med Ctr, Dept Nursing, Los Angeles, CA 90048 USA
[4] Calif State Univ East Bay, Dept Nursing & Hlth Sci, Hayward, CA USA
[5] CHOC Childrens Hosp, Div Oncol, Orange, CA USA
[6] Univ N Carolina, Sch Nursing, Chapel Hill, NC 27515 USA
[7] Childrens Hosp Colorado, Ctr Canc & Blood Disorders, Aurora, CO USA